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What is the definition of international roaming SMS?
Definition of SMS international business: SMS international business includes SMS international roaming business and international interoperability business. International roaming service of short messages refers to the service that China Telecom users send and receive short messages with domestic or foreign operators when roaming in networks other than China Telecom (including roaming to Hong Kong, Macao and Taiwan). International short message interworking service refers to the service that China telecom users can send and receive short messages with operators outside China (including Hong Kong, Macao and Taiwan operators). Mobile users who have handled China Telecom Tianyi international card business can send and receive point-to-point international short messages on CDMA network or GSM network. For more service benefits, click on "official website" customer service 324 below to answer your questions.
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